| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more contributor license |
| * agreements. See the NOTICE file distributed with this work for additional information regarding |
| * copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance with the License. You may obtain a |
| * copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software distributed under the License |
| * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
| * or implied. See the License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package org.apache.geode.security.templates; |
| |
| import java.security.Principal; |
| import java.util.Properties; |
| |
| import javax.naming.Context; |
| import javax.naming.directory.DirContext; |
| import javax.naming.directory.InitialDirContext; |
| |
| import org.apache.logging.log4j.Logger; |
| |
| import org.apache.geode.LogWriter; |
| import org.apache.geode.distributed.DistributedMember; |
| import org.apache.geode.logging.internal.log4j.api.LogService; |
| import org.apache.geode.security.AuthenticationFailedException; |
| import org.apache.geode.security.Authenticator; |
| |
| /** |
| * An implementation of {@link Authenticator} that uses LDAP. |
| * |
| * @since GemFire 5.5 |
| */ |
| public class LdapUserAuthenticator implements Authenticator { |
| |
| private static final Logger logger = LogService.getLogger(); |
| |
| public static final String LDAP_SERVER_NAME = "security-ldap-server"; |
| public static final String LDAP_BASEDN_NAME = "security-ldap-basedn"; |
| public static final String LDAP_SSL_NAME = "security-ldap-usessl"; |
| |
| private String ldapServer = null; |
| private String baseDomainName = null; |
| private String ldapUrlScheme = null; |
| |
| public static Authenticator create() { |
| return new LdapUserAuthenticator(); |
| } |
| |
| @Override |
| public void init(final Properties securityProps, final LogWriter systemLogWriter, |
| final LogWriter securityLogWriter) throws AuthenticationFailedException { |
| logger.info("Initializing LdapUserAuthenticator with {}", securityProps); |
| |
| this.ldapServer = securityProps.getProperty(LDAP_SERVER_NAME); |
| if (this.ldapServer == null || this.ldapServer.length() == 0) { |
| throw new AuthenticationFailedException( |
| "LdapUserAuthenticator: LDAP server property [" + LDAP_SERVER_NAME + "] not specified"); |
| } |
| |
| this.baseDomainName = securityProps.getProperty(LDAP_BASEDN_NAME); |
| if (this.baseDomainName == null || this.baseDomainName.length() == 0) { |
| throw new AuthenticationFailedException( |
| "LdapUserAuthenticator: LDAP base DN property [" + LDAP_BASEDN_NAME + "] not specified"); |
| } |
| |
| final String sslName = securityProps.getProperty(LDAP_SSL_NAME); |
| if (sslName != null && sslName.toLowerCase().equals("true")) { |
| this.ldapUrlScheme = "ldaps://"; |
| } else { |
| this.ldapUrlScheme = "ldap://"; |
| } |
| } |
| |
| @Override |
| public Principal authenticate(final Properties credentials, final DistributedMember member) { |
| final String userName = credentials.getProperty(UserPasswordAuthInit.USER_NAME); |
| if (userName == null) { |
| throw new AuthenticationFailedException("LdapUserAuthenticator: user name property [" |
| + UserPasswordAuthInit.USER_NAME + "] not provided"); |
| } |
| |
| String password = credentials.getProperty(UserPasswordAuthInit.PASSWORD); |
| if (password == null) { |
| password = ""; |
| } |
| |
| final Properties env = new Properties(); |
| env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory"); |
| env.put(Context.PROVIDER_URL, this.ldapUrlScheme + this.ldapServer + '/' + this.baseDomainName); |
| env.put(Context.SECURITY_PRINCIPAL, "uid=" + userName + "," + this.baseDomainName); |
| env.put(Context.SECURITY_CREDENTIALS, password); |
| |
| try { |
| final DirContext ctx = new InitialDirContext(env); |
| ctx.close(); |
| } catch (Exception e) { |
| throw new AuthenticationFailedException( |
| "LdapUserAuthenticator: Failure with provided username, password combination for user name: " |
| + userName, |
| e); |
| } |
| |
| return new UsernamePrincipal(userName); |
| } |
| |
| @Override |
| public void close() {} |
| } |